Thanks Ross for your answer. I am currently behind NAT as you mention. Couldn't I just use port forwarding in order to have my server on a DMZ?
What I mean is this: Public_IP:Port ----- FWD To ------ Private_IP:Port For each one of the ports mentioned above. My clients would connect on the public side and be forwarded to the internal server, right? Best Regards, 2015-10-13 18:20 GMT-03:00 Ross Finlayson <finlay...@live555.com>: > I have developed a RTSP server that serves unicast clients with a stream > from a live source. > > I have based my development on the testOnDemandRTSPServer implementation. > > Over LAN everything works as expected. The problem I am having is that > over the Internet I cannot use UDP as a transport for RTP, it just does not > work. > > > OK - so you appear to have a firewall that is blocking UDP packets. > > > > I have opened and forwarded the following ports to the server: > UDP 6970 - 6971 (I have seen these ports being used over LAN) > > > These ports are sufficient if you have only one client. If you have (or > anticipate) up to N concurrent clients, then you will need to open ports > 6970 through 6970+(2*N-1). Note that the base port number - 6970 - is the > default value of the “initialPortNum” parameter to the > “OnDemandServerMediaSubsession” constructor. You can change this if you > wish. > > Note, however, that this will work only if you have just a firewall. If > you also have NAT (Network Address Translation) on your server’s network, > then you *won’t* be able to run your server there. In other words, you > cannot run a server on a network with private IP addresses, and expect > clients on the public Internet to be able to contact it. (Instead, you’ll > need to run your server on the public Internet (or perhaps run a proxy > server there).) > > Ross Finlayson > Live Networks, Inc. > http://www.live555.com/ > > > _______________________________________________ > live-devel mailing list > live-devel@lists.live555.com > http://lists.live555.com/mailman/listinfo/live-devel > > -- Eng. Franco Miceli
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